SPECIFICATIONS
| Mount | CANON RF mount |
| Model | B091 |
| Focal Length | 16-50mm |
| Focal Length Full-Frame Equivalent | 25.6-80mm |
| Maximum Aperture | F2.8 |
| Angle of View (diagonal) | 80°24′-30°16′ |
| Optical Construction | 14 elements in 10 groups |
| Minimum Object Distance | 0.15m / 6in (WIDE), 0.29m / 11.5in (TELE) |
| Maximum Magnification Ratio | 1:4.5 (WIDE) / 1:4.8 (TELE) |
| Filter Size | φ55mm |
| Maximum Diameter | φ69.2mm |
| Length* | 77.6mm (3.1in) |
| Weight | 305g (10.8oz) |
| Aperture Blades** | 7 (circular diaphragm) |
| Minimum Aperture | F16 |
| Standard Accessories | Flower-shaped hood, Front cap, Rear cap |
* Length is the distance from the front end of the lens to the lens mount face.
** The circular diaphragm stays almost perfectly circular up to two stops down from maximum aperture.
